Powder fuel burner
US-2025290628-A1 · Sep 18, 2025 · US
Vortex burners, e.g. for cyclone-type combustion apparatus
Vortex burners, e.g. for cyclone-type combustion apparatus · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23D1/02 |
| Official title | Vortex burners, e.g. for cyclone-type combustion apparatus |
| Display label | Vortex burners, e.g. for cyclone-type combustion apparatus |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Powder fuel burner
US-2025271135-A1 · Aug 28, 2025 · US
Combustion system for a boiler with fuel stream distribution means in a burner and method of combustion
US-12270541-B2 · Apr 8, 2025 · US
Reverse-jet swirl pulverized coal burner with multi-stage recirculations
US-12117168-B2 · Oct 15, 2024 · US
Cement kiln burner and method for operating same
US-2024085016-A1 · Mar 14, 2024 · US
Combustion system for a boiler with fuel stream distribution means in a burner and method of combustion
US-2023213185-A1 · Jul 6, 2023 · US
Supercritical CO2 boiler capable of realizing uniform combustion, corrosion resistance and coking resistance, and boiler system
US-11493202-B2 · Nov 8, 2022 · US
Swirl-pintle injector for oxy-coal combustor
US-2022349572-A1 · Nov 3, 2022 · US
Cement kiln burner device and method for operating the same
US-11428402-B2 · Aug 30, 2022 · US
Combustible waste injection device and method for operating the same
US-11421871-B2 · Aug 23, 2022 · US
Combustible waste injection device and method for operating the same
US-2022163198-A1 · May 26, 2022 · US
Cement kiln burner device and method for operating the same
US-11306915-B2 · Apr 19, 2022 · US
Supercritical co2 boiler capable of realizing uniform combustion, corrosion resistance and coking resistance, and boiler system
US-2022090782-A1 · Mar 24, 2022 · US
Reverse-jet swirl pulverized coal burner with multi-stage recirculations
US-2022003408-A1 · Jan 6, 2022 · US
Cement kiln burner device and method for operating the same
US-2021404649-A1 · Dec 30, 2021 · US
Cement kiln burner device and method for operating the same
US-11112111-B2 · Sep 7, 2021 · US
Cement kiln burner device and method for operating the same
US-2021222875-A1 · Jul 22, 2021 · US
Cement kiln burner device and method for operating the same
US-2021222874-A1 · Jul 22, 2021 · US
System and method for providing combustion in a boiler
US-10955131-B2 · Mar 23, 2021 · US
Combustion burner and method for maintaining combustion burner
US-10775042-B2 · Sep 15, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23D1/02?
- CPC F23D1/02 is the Cooperative Patent Classification code for “Vortex burners, e.g. for cyclone-type combustion apparatus.”
- How many patents are filed under CPC F23D1/02 (Vortex burners, e.g. for cyclone-type combustion apparatus)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC F23D1/02 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).